1 files changed, 35 insertions, 0 deletions
diff --git a/challenge-258/roger-bell-west/ruby/ch-1.rb b/challenge-258/roger-bell-west/ruby/ch-1.rb
new file mode 100755
index 0000000000..96053ac590
--- /dev/null
+++ b/challenge-258/roger-bell-west/ruby/ch-1.rb
@@ -0,0 +1,35 @@
+#! /usr/bin/ruby
+
+def countevendigitsnumber(a)
+  t = 0
+  a.each do |p|
+    even = false
+    pt = p
+    while pt >= 10
+      pt = pt.div(10)
+      even = !even
+    end
+    if even then
+      t += 1
+    end
+  end
+  return t                  
+end
+
+require 'test/unit'
+
+class TestCountevendigitsnumber < Test::Unit::TestCase
+
+  def test_ex1
+    assert_equal(3, countevendigitsnumber([10, 1, 111, 24, 1000]))
+  end
+
+  def test_ex2
+    assert_equal(0, countevendigitsnumber([111, 1, 11111]))
+  end
+
+  def test_ex3
+    assert_equal(1, countevendigitsnumber([2, 8, 1024, 256]))
+  end
+
+end